The Assioma PRO RS-1 Power Meter Pedals is the lightest road power meter pedal available, Left pedal with power sensor is 124.8 g, Right pedal without power sensor is 123.8 g. Designed for Shimano SPD-SL users, it delivers precise power data without adding extra weight or compromising ride feel.

For cyclists who want reliable power tracking without investing in a full dual-sided system, the Assioma PRO RS-1 solves the problem with ±1% accuracy, durable construction, and easy installation. Whether you're training indoors or riding outdoors, it ensures consistent and trustworthy data in every condition.

Key Features

Ultra-Lightweight Design: The Assioma PRO RS-1 is engineered to be one of the lightest power meter pedals, maintaining a natural road feel and minimizing rotational weight.
±1% Accuracy with IAV Technology: Using Favero’s IAV system, the Assioma PRO RS-1 delivers precise readings even during high cadence, sprints, and uneven pedaling conditions.
Advanced Cycling Metrics: The Assioma PRO RS-1 tracks key performance metrics such as cadence, power phase, pedal smoothness, torque effectiveness, and platform center offset (PCO).
Shimano SPD-SL Compatibility: Fully compatible with Shimano SPD-SL cleats, the Assioma PRO RS-1 integrates seamlessly into most road bike setups.
Split-Body Spindle Design: All electronics are housed inside the spindle, improving durability and protecting against impacts, water, and debris.
Long Battery Life with Magnetic Charging: Offers up to 160 hours of battery life with a secure magnetic charging system.
IP67 Waterproof & Durable: Designed for real-world conditions, the Assioma PRO RS-1 resists water, dust, and harsh environments.
Upgradeable System: The Assioma PRO RS-1 can be upgraded to a dual-sided system (RS-2) without replacing the entire pedal set.

Benefits / Why Choose This Product

The Assioma PRO RS-1 is ideal for cyclists who want accurate power data without added weight or complexity. With the Assioma PRO RS-1, you can:

Train with reliable power zones
Maintain consistent effort during rides
Improve pedaling efficiency
Upgrade to dual-sided data when needed

It offers a perfect balance of performance, weight, and affordability.

Who Is This Product For

The Assioma PRO RS-1 is best suited for:

Road cyclists using Shimano SPD-SL cleats
Riders starting structured power-based training
Cyclists prioritizing lightweight components
Athletes planning to upgrade to dual-sided systems later

Who Should NOT Buy This

The Assioma PRO RS-1 may not be suitable for:

Riders needing dual-sided power data immediately
MTB or gravel cyclists who prefer Shimano SPD mountain-bike style pedals.
Advanced users focused on left/right balance analysis
Riders using LOOK KEO or other cleat systems

Use Cases

The Assioma PRO RS-1 works well in:

Indoor training on Zwift or TrainerRoad
Climbing workouts and interval sessions
Long endurance rides with consistent pacing
Entry-level power-based training programs

Specifications

Feature	Details
Power Measurement	Single-Sided (Left)
Accuracy	±1%
Battery Life	Up to 160 hours
Connectivity	ANT+ & Bluetooth
Cleat Compatibility	Shimano SPD-SL
Waterproof Rating	IP67
Weight	124.8 g (Left), 123.8 g (Right)
Stack Height	10.5 mm
Q-Factor	+53 mm
Material	Carbon-tech body
Origin	Made in Italy
Warranty	2 Years

Compatibility

The Assioma PRO RS-1 is compatible with:

Shimano SPD-SL cleats
Garmin, Wahoo, and other cycling computers
Zwift, TrainerRoad, Wahoo SYSTM, and similar apps
Bluetooth and ANT+ enabled devices

Setup / How to Use

Getting started with the Assioma PRO RS-1 is simple:

Install the pedals like standard SPD-SL pedals
Pair with the Favero Assioma app
Set crank length
Perform zero calibration
Start riding with accurate power data

Comparison Section

Assioma PRO RS-1 vs RS-2

RS-1: Single-sided, lightweight, budget-friendly
RS-2: Dual-sided, full performance data

Best Choice

Choose Assioma PRO RS-1 for lightweight and affordability
Choose RS-2 if you need complete left/right balance data

What’s in the Box

Left pedal with power meter
Right pedal without power meter
Favero SPD-SL cleats 6°
1 magnetic connector
Two-way charging cable
Greasing tools kit
Warranty and safety manual
Welcome flyer
6 cleat washers
6 screws
4 washers

Conclusion

The Assioma PRO RS-1 Power Meter Pedals offer a powerful combination of lightweight design, accuracy, and durability. It’s an excellent choice for road cyclists who want reliable power data without unnecessary complexity. If you're starting power-based training or looking for a lightweight upgrade with future expandability, the Assioma PRO RS-1 is one of the best options available today.

Favero Assioma PRO RS-1 Power Meter Pedals (Single-Sided, SPD-SL Road)

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